D defs.my
Entry 1 sense Webster, 1913

Nonjoinder

· Non·join·der · IPA
01 n. The omission of some person who ought to have been made a plaintiff or defendant in a suit, or of some cause of action which ought to be joined.
  1. 1.
    The omission of some person who ought to have been made a plaintiff or defendant in a suit, or of some cause of action which ought to be joined.(Law)